Quotes from Stan Gibilisco

The relation shown in Fig. 1-1 can be modified to make it a function. We must eliminate two of the three pathways from c in the domain. It doesn't matter which two we take out. If we remove the pathways represented by (c,v) and (c,z), we get the function illustrated in Fig. 1-2.

experience as an electronics engineer, researcher, and mathematician makes him an ideal editor for reference books and tutorials. He has authored several titles for the McGraw-Hill DeMYSTiFied series (a group of home-schooling and self-teaching volumes), including Everyday Math Demystified, Physics Demystified, and Statistics Demystified, all perennial bestsellers. Stan has also written more than 20 other books and dozens of magazine articles. His work